CVE-2026-126543 WWBN AVideo through 29.7.1 Wallet Credit Manipulation via PayPalYPT ipnV2.php
Unauthenticated attackers can forward PayPal IPNs to AVideo to add wallet balance for chosen users; AVideo sites using PayPalYPT should care.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Harmful if only installed
- No
- Needs a specific call
- No
- Fix
- None listed
What is CVE-2026-126543?
CVE-2026-126543 is a high-severity business logic flaw vulnerability in WWBN AVideo, published on 11 Nov 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
WWBN AVideo through 29.7.1 contains an improper payment verification vulnerability in plugin/PayPalYPT/ipnV2.php that credits wallets from PayPal IPNs not bound to the site's merchant account. Unauthenticated attackers can forward genuine VERIFIED recurring-payment IPNs from their own PayPal account with a chosen users_id to add wallet balance each billing cycle.
Weakness: CWE-345
Which versions are affected by CVE-2026-126543?
Only installations with a non-default setting turned on are exposed.
How do I fix CVE-2026-126543?
No fix has been published for CVE-2026-126543 yet. Limit exposure of the affected software until one is available.
Upgrade, and enforce each rule on the server at every step. More about Business logic flaw.
Is CVE-2026-126543 being exploited?
There is no known exploitation of CVE-2026-126543 in the wild and no public exploit code.
Sources
Also known as GHSA-5gg3-9jhh-xf86, GHSA-r4j2-2784-v3cx.